Heat Pump Flashcards
1
Q
COP
A
coefficient of performance
> 1 for heat pumps
2
Q
How to calculate heat output or useful heat Q?
A
Q = mcp(Tout - Tin)
3
Q
COP formula
A
Q/W = useful heat released/energy used
4
Q
W (energy used)
A
|Q out| - Q in + |Q loss|
5
Q
Degree of quality of heat pump
A
COP/COP max
6
Q
Q out ist
A
immer negativ
7
Q
COP max
A
COP max = 1/nc = T hot/(T hot - T0 cold)
8
Q
What is the unit of heat Q?
A
1 J/s = 1 Watt